dovecot-2.2: fts: Don't crash if search arg string expands to em...

[dovecot at dovecot.org]

details:   http://hg.dovecot.org/dovecot-2.2/rev/162668a63045
changeset: 18577:162668a63045
user:      Timo Sirainen <tss at iki.fi>
date:      Sat May 09 13:30:41 2015 +0300
description:
fts: Don't crash if search arg string expands to empty token list.

diffstat:

 src/plugins/fts/fts-search-args.c |  6 ++++++
 1 files changed, 6 insertions(+), 0 deletions(-)

diffs (16 lines):

diff -r 3bcd04bf5635 -r 162668a63045 src/plugins/fts/fts-search-args.c
--- a/src/plugins/fts/fts-search-args.c	Sat May 09 13:20:29 2015 +0300
+++ b/src/plugins/fts/fts-search-args.c	Sat May 09 13:30:41 2015 +0300
@@ -128,6 +128,12 @@
 							   token) < 0)
 			return -1;
 	}
+
+	if (and_arg->value.subargs == NULL) {
+		/* we couldn't parse any tokens from the input */
+		and_arg->type = SEARCH_ALL;
+		and_arg->match_not = !and_arg->match_not;
+	}
 	*argp = and_arg;
 	return 0;
 }